OSMC 2012 | Zabbix 2.0: Even Better by Rihards Olups

The enterprise class monitoring solution
for everyone

The enterprise class monitoring solution for everyone
Today's topics
● Zabbix overview
● We met 2 years ago – what's new?
● Uncommon uses

2 years for Zabbix
● Zabbix 2.0 out in May
● 13 maintenance releases of 1.8
● 2 conferences and a branch in Japan

Zabbix – mature by now
● Developed since 1998
● First public release in 2001
● 12 years old next April

True open source
Open
Core

What's included
Integrated solution
● Data retrieving
● Historical data storage
● Official web based frontend
● Alerting, discovery
● More

Components
Server
Database Frontend

Native agent

Choose the direction
Server
Active
Passive
Request: CPU load
Response: 1.95
Request: List of checks
Response: CPU load, Diskspace...
Free diskspace on / : 13GB
CPU load : 4.32
Fan 5 RPM : 3524
CPU 1 temperature : 34

Agentless methods
● TCP checks
● SNMP
● IPMI
● SSH, telnet

Advanced methods
● Calculated
Total – free = used
● Aggregate
Total free diskspace for all fileservers
Average qps for all database servers
5000qps 1000qps 9000qps
Aggregate value = 5000 qps

What's a problem?
● Extremely flexible problem conditions
– Functions last, min, max, avg, delta etc
– Comparison, math, boolean logic
– Check multiple values across several hosts
● 6 severity levels

Templating
Template_MySQL MySQL server
Queries per second
{Template_MySQL:qps.avg(300)}>5000 {Server:qps.avg(300)}>5000
Graph
Queries per second

Low level discovery
● Agent – filesystems, network interfaces
● SNMP tables (interfaces, anything)
● Custom

Custom LLD data
{
"data":[
{ "{#FSNAME}":"/sys", "{#FSTYPE}":"sysfs"},
{ "{#FSNAME}":"/proc", "{#FSTYPE}":"proc" },
{ "{#FSNAME}":"/", "{#FSTYPE}":"ext3" },
{ "{#FSNAME}":"/home", "{#FSTYPE}":"ext3" },
]
}

LLD is awesome

It really is

Automatic inventory
● Hardware chassis details
● CPU frequency, vendor, model...
● PCI/USB device list
● MAC addresses
● Operating system name, architecture
● Installed package list

Multi-homed hosts

Alerting
● E-mail
● SMS
● Jabber/XMPP

Escalations
E-mail to
first level techsupport
SMS to
second level techsupport
E-mail to
second level techsupport
E-mail to management
(if not acknowledged)
E-mail to management
Restart service
(if not acknowledged)
Restart server
via IPMI
Toggle power
Via UPS

Alerting conditions and contents
● Flexible conditions
● Include useful information
● Customise per recipient

Bundled frontend
● Monitoring
● Visualisation
● Configuration

Graphing

Graphing extended

Mapping
Map © OpenStreetMap contributors, CC BY-SA

Icon mapping

Management interface

Visible host name
● Supports UTF8

Remote environments...

...can be a problem

Solution – Zabbix proxy
Zabbix proxy

DMZ – passive proxy
Zabbix proxy

Web monitoring –
now over Zabbix proxy
Active
Zabbix proxy
Passive
Zabbix proxy

Monitoring Java applications
Apache
Tomcat
GlassFish
?

Java – easy with Zabbix
Zabbix Java gateway
Apache
Tomcat
GlassFish

OpenFire heap memory

Zabbix Java gateway heap memory

Mix proxies and gateways
Zabbix proxy
Zabbix Java gateway
Apache
Tomcat
Zabbix Java gateway

Extendability
● Run any command on the agent or server
● Run any command in response to events
● Feed timestamped data in Zabbix
● No language restrictions

Scalability
● Server, proxy and agent are written in C
● Server
– Real world installations with 40K-80K hosts and
more
– Processing thousands of values every second
– ...or > 2 million values/checks every 5 minutes

Server improvements for 2.2
● Configurable amount of processes
– Pollers
– Trappers
– ...
● In 2.2 - timers

Agent scalability
● Agent
– Uses less than a megabyte of RAM (736K on
64bit; excluding shared libraries)

Performance improvements
● Server
– More caching
– Actually, lots more caching
– Optimised database access

● Proxy
– Data sending
– Long-term use

● Agent
– Memory usage

Upgrade policies
● No database changes in one major release
● All old agents supported
● Automatic database upgrade coming in 2.2

Popularity
● Japan, Russia, Brazil...
● Financial, ISP, government,
manufacturing...
● Other open source projects

Uncommon uses
● Some examples back from 2011, first Zabbix
conference in Riga

Monitoring users on IRC

Weather forecast

OpenStreetMap licence agreement

Serious bug

Zabbix is..
● Flexible
● Scalable
● Rapidly improved
● True opensource

Communication and community
● www.zabbix.com
● blog.zabbix.com
● #zabbix on Freenode
Questions?

OSMC 2012 | Zabbix 2.0: Even Better by Rihards Olups

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